許佩甄

狄克生文法 : 基礎自學版 by: 狄克生 ((Dixson, Robert J.)); 許佩甄 (Language materials, printed) , [譯]

看圖寫作. 基礎篇 by: Heaton, J. B.; 奚頓 ((Heaton, J. B.)); 許佩甄 (Language materials, printed) , [譯]

看圖寫作. 進階篇 by: Heaton, J. B.; Moss, James; 奚頓 ((Heaton, J. B.)); 莫斯 ((Moss, James)); 許佩甄 (Language materials, printed) , [譯]